20611430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 42557184

約数和(自身を除く): 21945754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 523, 563, 1046, 1126, 2615, 2815, 3661, 3941, 5230, 5630, 7322, 7882, 18305, 19705, 36610, 39410, 294449, 588898, 1472245, 2061143, 2944490, 4122286, 10305715, 20611430]

約数ペア:

[(1, 20611430), (2, 10305715), (5, 4122286), (7, 2944490), (10, 2061143), (14, 1472245), (35, 588898), (70, 294449), (523, 39410), (563, 36610), (1046, 19705), (1126, 18305), (2615, 7882), (2815, 7322), (3661, 5630), (3941, 5230)]